All metal jobs failed a bunch of tests with errors about looking up thanos DNS record.

Example job
https://prow.ci.openshift.org/view/gs/origin-ci-test/logs/periodic-ci-openshift-release-master-nightly-4.15-e2e-metal-ipi-ovn-ipv6/1722507545064509440

{ fail [github.com/openshift/origin/test/extended/prometheus/prometheus.go:106]: Failed to fetch alerting rules: unable to query https://thanos-querier-openshift-monitoring.apps.ostest.test.metalkube.org/api/v1/rules: Get "https://thanos-querier-openshift-monitoring.apps.ostest.test.metalkube.org/api/v1/rules": dial tcp: lookup thanos-querier-openshift-monitoring.apps.ostest.test.metalkube.org on 172.30.0.10:53: no such host: %!w(<nil>) Ginkgo exit error 1: exit with code 1}

[sig-instrumentation][Late] OpenShift alerting rules [apigroup:image.openshift.io] should link to an HTTP(S) location if the runbook_url annotation is defined [Suite:openshift/conformance/parallel]

[sig-instrumentation][Late] OpenShift alerting rules [apigroup:image.openshift.io] should link to an HTTP(S) location if the runbook_url annotation is defined [Suite:openshift/conformance/parallel]